feat(ui): update global CSS path and restructure styles

packages/ui/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "exports": {
     ".": "./src/index.ts",
-    "./global.css": "./src/assets/styles/globals.css"
+    "./global.css": "./src/globals.css"
   },
   "license": "MIT",
   "scripts": {

packages/ui/src/globals.css

@@ -1,6 +1,6 @@
 @import 'tailwindcss';
 
-@source "../../../src";
+@source "../src";
 
 @theme {
   --color-brand-50: #f5f3fd; /* sangat terang, hampir lavender */